1002803962801 has 3 divisors (see below), whose sum is σ = 1002804964203. Its totient is φ = 1002802961400.

The previous prime is 1002803962789. The next prime is 1002803962829. The reversal of 1002803962801 is 1082693082001.

The square root of 1002803962801 is 1001401.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 23654132401 + 979149830400 = 153799^2 + 989520^2 .

It is not a de Polignac number, because 1002803962801 - 2⁷ = 1002803962673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002803962891) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 500701 + ... + 1502101.

It is an arithmetic number, because the mean of its divisors is an integer number (334268321401).

Almost surely, 2^{1002803962801} is an apocalyptic number.

1002803962801 is the 1001401-st square number.

1002803962801 is the 500701-st centered octagonal number.

It is an amenable number.

1002803962801 is a deficient number, since it is larger than the sum of its proper divisors (1001402).

1002803962801 is an frugal number, since it uses more digits than its factorization.

1002803962801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002802 (or 1001401 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

It can be divided in two parts, 1002803 and 962801, that added together give a square (1965604 = 1402²).

The spelling of 1002803962801 in words is "one trillion, two billion, eight hundred three million, nine hundred sixty-two thousand, eight hundred one".